Dimensions & WeightDepth:32.6 cmHeight:4.4 cmWeight:4.6 kgWidth:44.5 cmEnvironmental ParametersHumidity Range Operating:10 - 85% (non-condensing)Max Altitude Operating:3 kmMax Operating Temperature:45 °CMax Storage Temperature:70 °CMin Operating Temperature:0 °CMin Storage Temperature:-25 °CExpansion / ConnectivityInterfaces:24 x 10Base-T/100Base-TX/1000Base-T - RJ-45 ¦ 1 x console - RJ-45 management ¦ 1 x network stack device x 2GeneralAuthentication Method:Kerberos, Secure Shell (SSH), RADIUS, TACACS+Compliant Standards:IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.3ae, IEEE 802.1sDevice Type:Switch - 24 ports - L3 - Managed - stackableEnclosure Type:Rack-mountable 1UFeatures:Flow control, full duplex capability, Layer 3 switching, auto-sensing per device, IP-routing, DHCP support, auto-negotiation, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, traffic shaping, stackable, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, Dynamic Trunking Protocol (DTP) support, Port Aggregation Protocol (PAgP) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), RADIUS support, Jumbo Frames support, Cisco StackWise Technology, Cisco EnergyWise technology, Uni-Directional Link Detection (UDLD), Rapid Per-VLAN Spanning Tree Plus (PVRST+), Link Aggregation Control Protocol (LACP), Remote Switch Port Analyzer (RSPAN)Flash Memory:16 MB FlashJumbo Frame Support:YesMAC Address Table Size:12K entriesMax Units In A Stack:9Performance:Switching capacity: 32 Gbps ¦ Forwarding performance: 35.7 MppsPorts:24 x 10/100/1000RAM:128 MBRemote Management Protocol:SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, SSH, CLIRouting Protocol:RIP-1, RIP-2, HSRP, static IP routing, RIPngStatus Indicators:Port transmission speed, port duplex mode, bandwidth utilization %, system, RPS (Redundant Power Supply), link/activitySubtype:Gigabit EthernetMiscellaneousCompliant Standards:FCC Class A certified, TUV GS, BSMI CNS 13438 Class A, CISPR 24, cUL, EN 60950, EN55022, NOM, VCCI Class A ITE, IEC 60950, EN55024, UL 60950 Third Edition, CISPR 22, CSA 22.2 No. 60950, CB, FCC Part 15, MIC, AS/NZS 3548MTBF:210,936 hoursPricing Type:RefurbishedPowerFeatures:Redundant Power System (RPS) connectorPower Consumption Operational:165 WattPower Device:Internal power supplyVoltage Required:AC 120/230 V (50/60 Hz)Software / System RequirementsSoftware Included:Cisco IOS IP Base